| Clue | Source | Date |
|---|---|---|
| Rock outcrop regularly used for signals, I hear | The Times Mephisto | 27 Apr 2025 |
| Old rock surrounded by younger rock | The Telegraph Cross Atlantic | 15 Jan 2025 |
| In geology. an outcrop of older rock surrounded by younger (6) | ||
| Rocky outcrop, one overlooking meandering R. Nile | ||
| Airline sadly not ace — it's rocky | ||
| Enclave | ||
| A mass of stratified rock | ||
| Type of rock formation. | ||
| Geologic mass of stratified rock. |